2021 Marin Muirwoods profile, black.

See this bike in a different color:

  • Price: $829.00*
  • Wheel Size: 700C
  • Frame: CroMo/Steel
  • Size Range: S, M, L, XL, XXL

Manufacturer’s suggested retail price may not include additional shipping or preparation charges. Please contact your local Marin dealer for a quote.




The Muirwoods is at home in the concrete jungle, built for jumping curbs and cutting through a park on the way to the grocery store or class. This is the classic bike shop employee commuter bike built for the everyday rider.


  • Frame

    Series 1 Butted CrMo, 29” Wheels, Integrated Headset, Disc Brake, Fender and Rack Mounts

  • Fork

    CrMo, Fender and Rack Eyelets, Disc Brake

  • Rims

    Marin Aluminum, Double Wall, Disc Specific

  • Hub, Rear

    Forged Aluminum Alloy, 32H

  • Hub, Front

    Forged Aluminum Alloy, 32H

  • Spoke, Nipples

    14g Black Stainless Steel

  • Tires

    Vee Tire, Speedster, 700Cx40mm, Puncture Protection, Reflective Sidewall, Wire Bead

  • Derailleur, Rear

    Shimano Alivio Shadow 9-Speed

  • Derailleur, Front

    Shimano Altus

  • Shift Lever

    Shimano Altus 3x9-Speed

  • Crankset

    Forged Alloy, 48/36/26T, Ring Guard

  • Bottom Bracket

    Sealed Cartridge Bearings, Square Taper

  • Chain

    KMC X9

  • Cassette

    Shimano HG300 9-Speed, 12-36T

  • Brake, Front

    Shimano BR-M201 Hydraulic Disc, 160mm Rotor

  • Brake, Rear

    Shimano BR-M201 Hydraulic Disc, 160mm Rotor

  • Brake Levers

    Shimano Hydraulic

  • Handlebar

    Marin Alloy Flat Top Riser

  • Stem

    Marin 3D Forged Alloy

  • Grips

    Marin Custom

  • Headset

    FSA No.8D, Sealed Cartridge Bearings

  • Seatpost

    Marin Alloy, 27.2mm

  • Saddle

    Marin Fitness

  • Pedals

    Commute Platform

Specifications, pricing, and availability are subject to change without notice.


Muirwoods geometry diagram
Stack 567 574 583 593 612
Reach 387 420 432 434 431
Headtube Angle 71° 72° 72° 72° 72°
Headtube Length 123 123 133 143 163
Seattube Angle 74° 73.5° 73.5° 73° 72°
Seattube Length 381 432 483 521 559
Toptube Effective 550 590 605 615 630
BB Height 283 283 283 283 283
BB Drop 70 70 70 70 70
Chainstay 445 445 445 445 445
Wheelbase 1052 1070 1086 1090 1094
Standover Height 663 705 748 779 811
Fork Offset 51 45 45 45 45
Seatpost Diameter 27.2 27.2 27.2 27.2 27.2
Handlebar Width 680 680 680 700 700
Stem Length 70 70 90 90 110
Crank Length 170 175 175 175 175

All lengths in millimeters



The Muirwoods uses a butted Series 1 4130 CrMo frame and fork with 29” tires, disc brakes, full fender and rack mounts, and two bottle bosses. The Muirwoods RC uses a double butted Series 2 CrMo frame with sliding dropouts for internally geared hub compatibility and large volume 650B wheels and tires. Larkspur models also feature the butted Series 2 frame with a mixed step-thru design for easy mounting and dismounting, even with baskets and baby seats.

Learn More
Marin Larkspur 2 rear dropout and brake mount


Hydraulic disc brakes provide smooth, controlled stopping in all conditions with minimal maintenance.

Marin Muirwoods downtube with reflective decal


The Muirwoods features reflective frame graphics and tire sidewalls add visibility for urban commuting.

Muirwoods RC in a brick-paved alley


The Muirwoods RC is the ultimate mountain bike based commuter with a Series 2 CrMo frame featuring new slider dropouts for chain tensioning, an internally geared 8-speed Shimano Nexus hub, and 650Bx47mm “Road Plus” tires that accelerate quickly and roll almost as fast as skinnier road tires while eating up potholes and curbs.

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